Specific code 2011 ICD-9-CM Diagnosis Code 371.40
Corneal degeneration unspecified
  • Short description: Corneal degeneration NOS.
  • ICD-9-CM 371.40 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 371.40 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2011 version of ICD-9-CM 371.40.
  • More recent version(s) of ICD-9-CM 371.40: 2012 2013 2014.
Disease Synonyms
  • Corneal xerosis
  • Dry cornea
  • Keratopathy caused by medication
  • Keratopathy medicamentosa
  • Vortex keratopathy
Convert to ICD-10-CM: 371.40 converts directly to:
  • 2014 ICD-10-CM H18.40 Unspecified corneal degeneration
ICD-9-CM Volume 2 Index entries containing back-references to 371.40:
  • Change(s) (of) - see also Removal of
    • cornea, corneal
  • Degeneration, degenerative
  • Gangrene, gangrenous (anemia) (artery) (cellulitis) (dermatitis) (dry) (infective) (moist) (pemphigus) (septic) (skin) (stasis) (ulcer) 785.4
    • cornea 371.40
  • Keratopathy 371.40
    • band (see also Keratitis) 371.43
    • bullous (see also Keratitis) 371.23
    • degenerative (see also Degeneration, cornea) 371.40
      • hereditary (see also Dystrophy, cornea) 371.50
  • Necrosis, necrotic
    • cornea (see also Keratitis) 371.40
  • Opacity, opacities
    • cornea 371.00
      • central 371.03
      • congenital 743.43
        • interfering with vision 743.42
      • degenerative (see also Degeneration, cornea) 371.40
      • hereditary (see also Dystrophy, cornea) 371.50
      • inflammatory (see also Keratitis) 370.9
      • late effect of trachoma (healed) 139.1
      • minor 371.01
      • peripheral 371.02
  • Xerosis
    • cornea 371.40
      • with corneal ulceration 370.00
        • vitamin A deficiency 264.3
      • vitamin A deficiency 264.2
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 371.40 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.